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Flight Reliability

DL 1088 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 1088 moved between routes during this period. Numbers below combine all of them, so treat them as background, not a verdict. For a cleaner answer, check the route you are actually flying.

Combined across all its routes

73%
Arrive within 15 minutes
17 min
Average arrival delay
1.4%
Cancelled
3 min early
Median arrival delay

Based on 728 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon69%(102 flights)
  • Tue82%(101 flights)
  • Wed71%(102 flights)
  • Thu76%(102 flights)
  • Fri66%(102 flights)
  • Sat82%(101 flights)
  • Sun66%(106 flights)
On-time by departure window
  • 3–6 PM72%(698 flights)
  • 6–9 PM94%(18 flights)
On-time trend by month
45%
May

Jun 76% → May 45% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202576%58
July 202576%62
August 202581%59
September 202585%60
October 202576%62
November 202583%58
December 202563%60
January 202670%60
February 202682%55
March 202684%62
April 202655%60
May 202645%60
Departures on time
74%
Diverted
0.3%
Flights flown
716
Months covered
12

Keep nerding

Based on 728 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.